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WIP wall UVs for levelmesh

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RaveYard 2023-09-20 20:15:01 +02:00 committed by Christoph Oelckers
parent 3d90a4a2c9
commit 2fdad6e380
2 changed files with 72 additions and 14 deletions
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84
src/rendering/hwrenderer/doom_levelmesh.cpp
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@ -824,12 +824,21 @@ void DoomLevelMesh::CreateSideSurfaces(FLevelLocals &doomMap, side_t *side)
surf.startVertIndex = MeshVertices.Size();
surf.numVerts = 4;
surf.bSky = false;
MeshVertices.Push(verts[0]);
MeshVertices.Push(verts[1]);
MeshVertices.Push(verts[2]);
MeshVertices.Push(verts[3]);
surf.plane = ToPlane(verts[0], verts[1], verts[2], verts[3]);
if (side->linedef->sidedef[0] != side)
{
surf.plane = -surf.plane;
surf.plane.W = -surf.plane.W;
}
auto offset = surf.plane.XYZ() * 0.05; // for better accuracy when raytracing mid-textures from each side
MeshVertices.Push(verts[0] + offset);
MeshVertices.Push(verts[1] + offset);
MeshVertices.Push(verts[2] + offset);
MeshVertices.Push(verts[3] + offset);
surf.Type = ST_MIDDLESIDE;
surf.typeIndex = typeIndex;
surf.sampleDimension = side->textures[side_t::mid].LightmapSampleDistance;
@ -1496,15 +1505,35 @@ void DoomLevelMesh::BuildSurfaceParams(int lightMapTextureWidth, int lightMapTex
// hw_flats.cpp
VSMatrix GetPlaneTextureRotationMatrix(FGameTexture* gltexture, const sector_t* sector, int plane);
// hw_walls.cpp
void GetTexCoordInfo(FGameTexture* tex, FTexCoordInfo* tci, side_t* side, int texpos);
void DoomLevelMesh::CreateSurfaceTextureUVs(FLevelLocals& doomMap)
{
auto toUv = [](const DoomLevelMeshSurface* targetSurface, FVector3 vert) {
FVector3 localPos = vert - targetSurface->translateWorldToLocal;
float u = (1.0f + (localPos | targetSurface->projLocalToU)) / (targetSurface->texWidth + 2);
float v = (1.0f + (localPos | targetSurface->projLocalToV)) / (targetSurface->texHeight + 2);
return FVector2(u, v);
return FVector2(u, 1.0f - v);
};
auto texPosition = [](LevelMeshSurfaceType surfaceType) {
switch (surfaceType)
{
case ST_UPPERSIDE:
return side_t::top;
case ST_LOWERSIDE:
return side_t::bottom;
default:
break;
}
return side_t::mid;
};
FTexCoordInfo tci;
for (auto& surface : Surfaces)
{
if (surface.texture.isValid())
@ -1514,9 +1543,6 @@ void DoomLevelMesh::CreateSurfaceTextureUVs(FLevelLocals& doomMap)
const auto gtxt = TexMan.GetGameTexture(surface.texture);
const auto w = gtxt->GetDisplayWidth();
const auto h = gtxt->GetDisplayHeight();
if (surface.Type == ST_FLOOR || surface.Type == ST_CEILING)
{
auto ceiling = surface.Type == ST_FLOOR ? sector_t::floor : sector_t::ceiling;
@ -1529,10 +1555,42 @@ void DoomLevelMesh::CreateSurfaceTextureUVs(FLevelLocals& doomMap)
}
else
{
uvs[0] = FVector2(0, 1); //toUv(&surface, verts[0] - verts[0]);
uvs[1] = FVector2(1, 1); //toUv(&surface, verts[0] - verts[0]);
uvs[2] = FVector2(0, 0); //toUv(&surface, verts[0] - verts[0]);
uvs[3] = FVector2(1, 0); //toUv(&surface, verts[0] - verts[0]);
const auto w = gtxt->GetDisplayWidth();
const auto h = gtxt->GetDisplayHeight();
FVector3 relativeVerts[4];
for (int i = 0; i < 4; ++i)
{
relativeVerts[i] = verts[i] - verts[0];
uvs[i] = toUv(&surface, verts[i]);
}
// shift the uv based on the surface type and anchor
/*const*/ auto* side = &doomMap.sides[surface.typeIndex];
const auto* line = side->linedef;
const auto* sector = side->sector;
const auto* otherSector = line->frontsector == sector ? line->backsector : line->frontsector;
float anchorZ = 0.f;
float anchorU = 0.f;
GetTexCoordInfo(gtxt, &tci, side, texPosition(surface.Type));
// Lastly, offsets are applied
const float sideHeight = max(relativeVerts[1].Z, max(relativeVerts[1].Z, relativeVerts[2].Z)) - min(relativeVerts[1].Z, min(relativeVerts[1].Z, relativeVerts[2].Z));
auto a = line->v2->fPos() - line->v1->fPos();
for (int i = 0; i < 4; ++i)
{
uvs[i].X = tci.FloatToTexU(uvs[i].X * a.Length() + side->textures[side_t::mid].xOffset);
uvs[i].Y = tci.FloatToTexV(uvs[i].Y * sideHeight + side->textures[side_t::mid].yOffset);
//uvs[i].Y = tci.FloatToTexU(0);
//uvs[i].X = uvs[i].X * repeatsU + anchorU / w;
//uvs[i].Y = uvs[i].Y * repeatsV + anchorZ / h;
}
}
}
}

2
src/rendering/hwrenderer/scene/hw_walls.cpp
View file

@ -1219,7 +1219,7 @@ void HWWall::CheckTexturePosition(FTexCoordInfo *tci)
}
static void GetTexCoordInfo(FGameTexture *tex, FTexCoordInfo *tci, side_t *side, int texpos)
void GetTexCoordInfo(FGameTexture *tex, FTexCoordInfo *tci, side_t *side, int texpos)
{
tci->GetFromTexture(tex, (float)side->GetTextureXScale(texpos), (float)side->GetTextureYScale(texpos), !!(side->GetLevel()->flags3 & LEVEL3_FORCEWORLDPANNING));
}